These are post-glacial lakes in Stordalen, northern Sweden. CREDIT Photo credit: Jo Uhlbäck.

Claim: Large and increasing methane emissions from northern lakes

From STOCKHOLM UNIVERSITY and the “methane bomb is so yesterday” department: Methane is increasing in the atmosphere, but many sources are poorly understood. Lakes at high northern latitudes are such a source. However, this may change with a new study published in Nature Geoscience. By compiling previously reported measurements made at a total of 733…

Arctic Ocean melt ponds. Photo: Karen Frey/Clark University

Claim: Arctic sea ice plays a pivotal role in the Arctic methane cycle

Nature study on greenhouse gas feedback mechanisms between the atmosphere, sea ice and ocean From the ALFRED WEGENER INSTITUTE, HELMHOLTZ CENTRE FOR POLAR AND MARINE RESEARCH The ice-covered Arctic Ocean is a more important factor concerning the concentration of the greenhouse gas methane in the atmosphere than previously assumed. Experts from the Alfred Wegener Institute,…

Kangaroo at Columbus Zoo and Aquarium, Author Drex Rockman

Kangaroo Farts: A Great Green Disappointment

Guest essay by Eric Worrall Scientists researching the underlying reason for the low methane content of Kangaroo farts, with a view to reducing cow flatulence, have been disappointed to discover there is nothing special about Kangaroo gut bacteria. According to The Guardian; For some time, researchers intent on breeding less windy flocks and herds hypothesised…

cow-methane

Scientific Urban Legends

Guest Post by Willis Eschenbach I have a category that I call “scientific urban legends”. These include things like the idea that rising seas will drown atolls, when Darwin showed 150 years ago that rising seas create atolls. Another scientific urban legend is the claim that we’re in the middle of the “Sixth Wave of…